Cheers Peter, this was some of my thoughts as well.

In general, when using DSSU could you give me an idea of how much data is
stored on there and when you write to tape?

For example I am thinking of doing a 2TB Disk Backup, and then writing to
tape 3 days later when its quiet.

Am I on the right track for make the best use of DSSU?

I will delete the current DSU, but I am having trouble deleting the images
:(

Regards

Simon Weaver
3rd Line Technical Support
Windows Domain Administrator 

EADS Astrium Limited, B23AA IM (DCS)
Anchorage Road, Portsmouth, PO3 5PU

Email: Simon.Weaver at Astrium-eads.net



-----Original Message-----
From: Peter DrakeUnderkoffler [mailto:pcd at xinupro.com] 
Sent: 01 September 2006 16:30
To: WEAVER, Simon
Cc: 'veritas-bu at mailman.eng.auburn.edu'
Subject: Re: [Veritas-bu] Disk Storage - Advice / clarification


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Simon,

If you want to expire an image on disk, it is the same procedure as on tape.
Images written to disk are copy #1, so find the image name and specify copy
#1. You can query the db to find the actual path and copy number.  For
testing I can see this being useful, just remember for production you will
want phase 2 to complete successfully before expiring images.

I never found a way to convert a dsu to a dssu, so I've always destroyed it
and started again.  Once that is done, you can either set up the schedule or
kick it off manually "bpbackup -dssu DSSU_NAME"

Length and durations and phase 2 frequencies are definitely not a one size
fits all situation.  Really generally comes down to business requirements
plus capital expenses and then work backward from there...  Maybe you have
some restore SLAs that can help make some decisions.

Thanks
Peter

Peter DrakeUnderkoffler
Xinupro, LLC
617-834-2352



WEAVER, Simon wrote:
> */Hi everyone/*
> */Now looking at DSU considerations for my setup:/*
> *//*
> */1 x NBU 5.1 MP2 Win2k3 Server/*
> */2 x SAN Media NBU 5.1 MP2 Servers/*
> */3 x Shared Storage for TB of Data/*
> *//* 
> */I have configured a Disk Storage Unit on my Master Server, and as a
> test, this volume is 100GB in size./*
> *//* 
> */I have done a TEST BACKUP of the Master Server, using this new Storage
> Unit. This has completed successfully./*
> *//* 
> */A couple of questions:/*
> *//* 
> */1) On the new volume are image files of the server that was backed up.
> If I wanted to expire the disk based backup, how is this done?/*
> */2) I do not see an option to do STAGE2 of Disk Storage (which I guess
> you can put to tape). I think its because I created a bog-standard DSU.
> Is there an option to do this, or should I just delete and start again?/*
> */3) If I have to delete, what about the data that was backed up?/*
> */4) Who else does DSU and any advice on how long data is kept, or
> whether you use Stage 2 methods and write to tape?/*
> *//* 
> */Thanks all/*
>  
> 
> /Regards/
> 
> /Simon/
> 
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This email is for the intended addressee only.
If you have received it in error then you must not use, retain, disseminate or 
otherwise deal with it.
Please notify the sender by return email.
The views of the author may not necessarily constitute the views of Astrium 
Limited.
Nothing in this email shall bind Astrium Limited in any contract or obligation.

Astrium Limited, Registered in England and Wales No. 2449259
Registered Office: Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS, England